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[-]  14-02-18 22:07

Elon Musk's vision of human spaceflight can take us to Mars, but there's a cost
Picture this: A crew of the first humans to journey beyond Earth and the moon arrive at Mars. Their boots touch the rusty surface of the red planet after a months-long trip through deep space. 
Who are they? How do they understand what they see? And what are the circumstances that sent them there?
These are questions that may seem like thought experiments for the distant future, but in truth, we need to confront them long before we send anyone to the red world.
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